Wheat Pete’s Word, May 7: Mental health, moisture matters, and the mysteries of phosphorus

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It’s go time! As planting pushes ahead under wildly variable spring conditions, Wheat Pete is back with a reminder that May stress is real—and so are the agronomy challenges.

In this episode of Wheat Pete’s Word, your host Peter Johnson highlights the importance of mental health check-ins, digs into soil fertility puzzles, and shares fascinating insights from both Ontario fields and European research.

Have a question you’d like Wheat Pete to address or some field results to send in? Agree/disagree with something he’s said? Leave him a message at 1-888-746-3311, send him a tweet (@wheatpete), or email him at [email protected].

SUMMARY

  • Mental health reminder: May stress is high—call a friend, even from the tractor seat
  • Planting window advice: Don’t panic if you missed April—mid-May is still in the high yield zone. Planting/seeding conditions matter more than the date right now
  • Wheat Pete’s golden rule: “If it’s fit, give ’er sh*t” remains the 2025 planting mantra
  • Rainfall extremes: Some areas saw 25 mm, others only a trace—check your soil, not Twitter
  • Northern Europe alert: Drought advancing quickly, especially concerning after wet years
  • Fusarium (scab) risk high in U.S.: From Texas to Indiana, maps are lit up—timing is key
  • Epigenetics breakthrough: UK research shows 12 per cent wheat yield boost via sugar signaling
  • Burndown reminders: No Eragon before edible beans; dandelions and fleabane need serious control
  • 28% UAN burn milder this year: Suggests thick wheat cuticles—adjust weed control accordingly
  • Fall weed control shines: Wheat with autumn programs shows fewer weeds and stronger stands
  • Dandelion takeover: In some untreated fields, it’s so thick it looks like canola—25 bu/acre loss possible
  • Canada goose damage: Repeated clipping delays maturity, reduces yield, and can kill wheat stands
  • Red clover looks great: A rare upside in winter wheat fields this spring
  • Soil vs. tissue test puzzle: High soil P, low tissue P? Cold temps reduce phosphorus availability
  • Potash more available: Thanks to mass flow, uptake improves under wet conditions
  • Rain cures nitrogen striping: Late-April rains resolved early deficiency in Lambton County wheat
  • Sprayer malfunction lesson: Missed N showed how precisely roots block lateral movement—watch your boom (see photo)
  • Triticale forage fertility: 100 lb DAP + 150 lb urea + 10 lb sulphur hits the sweet spot
  • Corn phosphorus tip: Don’t rely on broadcast P—use in-furrow starter
  • Fungicides on forage: 21-day pre-harvest interval key for any hay or alfalfa application
  • Powdery mildew scouting: Target highly susceptible varieties only—most wheat remains clean
  • Annual bluegrass trouble: Glyphosate resistance complicates control—dim chemistries may outperform fops
  • Sulphur form matters: Without rain, ammonium thiosulphate outperformed sulphate in early spring uptake
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